Query Evaluation over Networks of Logic-based Mediators (Position Paper).
Carlo MeghiniYannis TzitzikasPublished in: Description Logics (2003)
Keyphrases
- query evaluation
- query language
- query processing
- data complexity
- conjunctive queries
- deductive databases
- probabilistic databases
- xml data
- data management
- transitive closure
- regular expressions
- efficient query evaluation
- signature file
- disjunctive deductive databases
- data sources
- inverted lists
- query engine
- query processing strategies
- knowledge representation
- database
- querying xml documents
- null values
- query answers
- xpath queries
- graphical models
- data model
- databases